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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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CC=33768 Help
TitleA neutron powder diffraction study of the beta to gamma phase transformation in NaFeO2.
AuthorsGrey, I.E.;Hill, R.J.;Hewat, A.W.
ReferenceZeitschrift fuer Kristallographie (1990) 193, 51-69
Link XRef SCOPUS SCIRUS Google
CompoundFe1 Na1 O2 - Sodium tecto-dioxoferrate(III) - gamma [ABX2] [tP16] [b a2] []
Cell5.6208(2), 5.6208(2), 7.3653(4), 90., 90., 90.
P41212 (92) V=232.69
RemarksR=0.082000 : RVP TEM =1273 : NDP
First traverse through beta to gamma transition

Atom (site) Oxid. x, y, z, B, Occupancy
Fe1(4a)3
Na1(4a)1
O1(8b)-2
0.1898(4)0.1898(4)001
0.779(2)0.779(2)001
0.2293(8)0.8763(6)0.0455(6)01
Atom (site) Oxid. Beta11, Beta22, Beta33, Beta12, Beta13, Beta23
Fe1(4a)3
Na1(4a)1
O1(8b)-2
0.0259(7)0.02590.0146(7)0.0069(11)-.0018(6)0.0018(6)
0.148(6)0.1480.020(2)0.007(9)0.048(3)-.048(3)
0.085(3)0.028(1)0.018(1)0.015(2)0.010(1)0.0055(8)

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